<template>
  <div class="login_cotainer">
    <div class="login_box">
        <!-- 头像区域 -->
        <div class="avatar_box">
            <img src="../assets/logo.png" alt="">
        </div>
        <!-- 登录表单区域 -->
        <el-form ref="LoginFormRef" :model="form" :rules="LoginRules" label-width="0px" class="login_form">
            <el-form-item prop="username">
                <el-input placeholder="请输入用户名" v-model="form.username" prefix-icon="el-icon-user"></el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input placeholder="请输入密码" v-model="form.password" prefix-icon="el-icon-lock" show-password></el-input>
            </el-form-item>
            <el-form-item class="btns">
                 <el-button type="primary" @click="login">登录</el-button>
                 <el-button type="info" @click="resetLoginForm">重置</el-button>
            </el-form-item>
        </el-form>
    </div>
  </div>
</template>

<script>
export default {
name:'Login',
data() {
    return {
        // 登录表单的数据绑定对象
        form: {
          username: 'admin',
          password:'123456'
        },
        // 表单的验证规则对象
        LoginRules:{
            // 验证用户名是否合法
            username: [
                { required: true, message: '请输入用户名', trigger: 'blur' },
                { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
            ],
            // 验证密码是否合法
            password: [
                { required: true, message: '请输入密码', trigger: 'blur' },
                { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
            ]
        }
    }
},
methods:{
    resetLoginForm() {
        this.$refs.LoginFormRef.resetFields()
    },
    login() {
        this.$refs.LoginFormRef.validate(async valid=>{
            if(!valid) return this.$message.warning('用户名或密码不满足要求请重新填写')
            const {data:res}=await this.$http.post('login',this.form)
            // console.log(res);
            if(res.meta.status!==200) return this.$message.error(res.meta.msg)
            this.$message.success(res.meta.msg)
            window.sessionStorage.setItem("token",res.data.token)
            this.$router.push('/home')
        }
        )
    }
}
}
</script>

<style scoped>
.login_cotainer {
    background-color: #2b4b6b;
    height: 100%;
}
.login_box {
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: relative;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
}
.avatar_box img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
}
.btns {
    display: flex;
    justify-content: flex-end;
}
.login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
</style>